/Engine/Source/Runtime/Engine/Public/Rendering/SkeletalMeshLODImporterData.h
Textured triangle.
struct FTriangle
uint8
AuxMatIndex
Second material from exporter (unused)
uint16
MatIndex
Materials can be anything.
uint32
SmoothingGroups
32-bit flag for smoothing groups.
FVector3f[3]
TangentX
FVector3f[3]
TangentY
FVector3f[3]
TangentZ
uint32[3]
WedgeIndex
Point to three vertices in the vertex list.